diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 8c8c53c608..9ac93c87b8 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -1,5 +1,7 @@
 /*
- * Copyright 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2010-2014 Red Hat, Inc.
+ * Copyright (C) 2008-2009 Sun Microsystems, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/vbox/vbox_common.h b/src/vbox/vbox_common.h
index 76288d4676..52d47b2dc2 100644
--- a/src/vbox/vbox_common.h
+++ b/src/vbox/vbox_common.h
@@ -1,5 +1,6 @@
 /*
- * Copyright 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2008-2009 Sun Microsystems, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/vbox/vbox_get_driver.h b/src/vbox/vbox_get_driver.h
index 617974dd24..025236f23b 100644
--- a/src/vbox/vbox_get_driver.h
+++ b/src/vbox/vbox_get_driver.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2014, Taowei Luo (uaedante@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/vbox/vbox_uniformed_api.h b/src/vbox/vbox_uniformed_api.h
index 66fcb78d08..e1790cd820 100644
--- a/src/vbox/vbox_uniformed_api.h
+++ b/src/vbox/vbox_uniformed_api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014, Taowei Luo (uaedante@gmail.com)
+ * Copyright (C) 2014, Taowei Luo (uaedante@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public